@bneagle-
Going to the Roku home screen when you press the Roku Home button is the expected behavior, right?
I've never seen anything like that popup on my 3810 connected to a Samsung tv. I suspect that popup is from your Vizio. What happens if you press Enter (or OK or whatever it might be called) on your Vizio remote?
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well.
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Ultra 4800 | Streaming Stick 4K+ 3821 | TCL Roku TV 43S245/C107X